<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport"
          content="width=device-width,initial-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
    <style>
        html,body{
        width: 100%;
        height: 100%;
        margin: 0px;
        }
    </style>
</head>
<body>
<video id="video" src="b.mp4"
       width="100%" height="100%" controls loop>
    don't support html5
</video>
</body>
<script type="text/javascript">
    var video = document.getElementById("video");
    video.play();


</script>
</body>
</html>

